Reuterella Barklouse vs Psyllipsocus Cave Psocid

Side-by-side species comparison

Reuterella Barklouse

A small barklouse with distinctive pale spots on dark wings found on tree bark. It is common in mixed forests throughout Europe.

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This barklouse is one of the few European psocid species that can be identified in the field by its wing pattern alone.

A pale, long-antennaed psocid adapted to dark environments like caves and cellars. It has reduced eyes and elongated sensory appendages.

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This species can thrive in total darkness and has been found deep inside limestone caves far from any light source.